The phrase "are regularly revised" is correct and usable in written English.
It can be used to indicate that something is updated or modified on a consistent basis.
Example: "The company policies are regularly revised to ensure they meet current regulations."
Alternatives: "are frequently updated" or "are routinely modified".
Because these forecasts are regularly revised, they support managers' ability to fashion strategies that continuously adapt to market conditions.
Totcharova goes on: "The criteria are regularly revised to reflect the evolution of the world heritage concept itself.
But many economists pointed out that demand may not have fallen as sharply as stated by the I.E.A., whose figures are regularly revised because of inaccurate or incomplete data countries provide it.
Small-scale details are regularly revised as more precise observations are made, whereas well established facts of fundamental significance are very rarely overthrown, but in principle, no scientific fact of any magnitude is beyond revision or refutation.
We are regularly revising course components in response to research findings and the changing student population.
The deal has been regularly revised and extended since then, including revisions in 2008 and 2009.
The books were regularly revised; the writing was crisp & precise.
This comprehensive framework of international regulations is regularly revised to take account of changing circumstances and technical advances.
In some research programmes, the experiment was part of the CS design process — and tested CS were regularly revised based on an continuous improvement loop — while in other cases CS were kept stable across years so as to enable the evaluation of their long-term cumulative effects.
Estimates of construction costs — about $3 billion per reactor in 2002 — have been regularly revised upward to an average of about $10 billion per reactor, and the estimates are likely to keep rising, said Mr. Cooper, an analyst specializing in tracking nuclear power costs.
